Home / 88,179.70-121,688.25-47,894.14

Finding the Fourth Proportional to 88,179.70, 121,688.25 and 47,894.14

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Solution

The fourth proportional to 88,179.70, 121,688.25 and 47,894.14 is: 66,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,179.70 : 121,688.25 = 47,894.14 : x
  2. Step 2: Convert to fraction form
    88,179.70/121,688.25 = 47,894.14/x
  3. Step 3: Cross multiply
    88,179.70x = 121,688.25 × 47,894.14
  4. Step 4: Simplify right side
    88,179.70x = 5,828,154,081.86
  5. Step 5: Solve for x
    x = 5,828,154,081.86/88,179.70
  6. Step 6: Final answer
    x = 66,094.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.